Surface Aspect

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Standard: S135 clear all

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Pipe body surface, adjacent to the fracture, showing regions of corrosion and visual cracks transverse to the pipe axis.
28
VIEW
ML00169 / Nov.2020
Drill Pipe Fracture in the Pipe Body
M - Low Alloy Medium Carbon QTP - Drill PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Surface AspectDf - Cracks
Aspect of the washout in the 5" drill pipe, in the pipe body, after cleaning the surface. The surface presents several parallel tool marks that are not typical in the pipe since the torque is applied in the tool joint.
195
VIEW
ML00068 / Sep.2020
Corrosion Fatigue of a 5" Drill Pipe
M - Low Alloy Medium Carbon QTP - Seamless PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Surface AspectDf - At the Surface